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波浪水槽中毫米波雷达跨介质通信实验研究

曾玉明 张坤 乐南燕 宋春毅 徐志伟

曾玉明, 张坤, 乐南燕, 等. 波浪水槽中毫米波雷达跨介质通信实验研究[J]. 水下无人系统学报, xxxx, x(x): x-xx doi: 10.11993/j.issn.2096-3920.2024-0109
引用本文: 曾玉明, 张坤, 乐南燕, 等. 波浪水槽中毫米波雷达跨介质通信实验研究[J]. 水下无人系统学报, xxxx, x(x): x-xx doi: 10.11993/j.issn.2096-3920.2024-0109
ZENG Yuming, ZHANG Kun, LE Nanyan, SONG Chunyi, XU Zhi-wei. Experimental study of cross-medium communication of millimeter wave radar on a wave tank[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2024-0109
Citation: ZENG Yuming, ZHANG Kun, LE Nanyan, SONG Chunyi, XU Zhi-wei. Experimental study of cross-medium communication of millimeter wave radar on a wave tank[J]. Journal of Unmanned Undersea Systems. doi: 10.11993/j.issn.2096-3920.2024-0109

波浪水槽中毫米波雷达跨介质通信实验研究

doi: 10.11993/j.issn.2096-3920.2024-0109
基金项目: 国家自然科学基金青年项目(62001426); 浙江省自然科学基金探索项目(LQ21F010004); 东海青年人才启航基金项目资助(L24QH001).
详细信息
    作者简介:

    曾玉明(1989-), 女, 博士, 副研究员, 主要研究方向为毫米波雷达信号处理

    通讯作者:

    宋春毅(1978-), 男, 博士, 教授, 主要研究方向为毫米波雷达探测.

  • 中图分类号: TB567; TN913.6

Experimental study of cross-medium communication of millimeter wave radar on a wave tank

  • 摘要: 利用毫米波雷达探测由水下设备声波激励的水面微幅波有望实现水下设备对外无线跨介质通信。水面波动效应研究对实现基于毫米波雷达微幅波探测的跨介质通信具有重要价值。针对此, 文中在波浪水槽中对二进制相移键控和二进制频移键控调制信号跨介质通信开展了实验, 测试分析了不同幅度水面波动对跨介质通信的影响, 评估了基于空间分集技术的通信性能。实验结果表明, 中等水面波动对毫米波雷达跨介质通信性能的影响最小, 基于多通道合并的空间分集技术能提升波动水面上的跨介质通信质量。文中的研究可为基于毫米波雷达微幅波探测的跨介质通信技术在波动水面实际应用提供参考。

     

  • 图  1  跨介质通信技术对比

    Figure  1.  Comparison of cross-domain communication technologies

    图  2  声源级为185 dB时不同频率不同深度微幅波振幅

    Figure  2.  The amplitude of micro-waves at different frequencies and depths for 185 dB/$ \mathit{\mu } $pa sound

    图  3  微幅波在77 GHz雷达中产生的相位变化

    Figure  3.  Phase changes generated by micro-waves in 77 GHz radar

    图  4  理想点声源(50 Hz)激励微幅波

    Figure  4.  Micro-wave excited by an ideal point sound source (50 Hz)

    图  5  声波束激励的微幅波三维分布

    Figure  5.  Three-dimensional distribution of micro-waves excited by sound beam

    图  6  声波在不同水深中衰减(假设为圆柱形传播衰减)

    Figure  6.  Sound wave attenuation in different water depths (assuming cylindrical propagation attenuation)

    图  7  线性调频波形以及频率示意图

    Figure  7.  Linear frequency modulation waveform and frequency schematic diagram

    图  8  跨介质通信原理示意图

    Figure  8.  Diagram of cross-media communication principle

    图  9  波浪水槽实验场景图

    Figure  9.  Scene diagram of wave tank experiment

    图  10  信号处理流程图

    Figure  10.  Comparison of pitch angle velocity between simulation curves and experiment data

    图  11  不同推程时波高仪记录的水面波动

    Figure  11.  The water surface fluctuations recorded by the wave height meter when the push plate stroke is 20 cm, 40 cm, and 70 cm

    图  12  不同音量下振幅分布直方图

    Figure  12.  Histograms of amplitude distribution at different volumes

    图  13  不同推程下SNR分布直方图

    Figure  13.  Histograms of SNR distribution under different push distances

    图  14  不同推程下莱斯因子分布直方图

    Figure  14.  Histograms of Rice factor distribution under different push distances

    图  15  不同推程下误码率分布直方图

    Figure  15.  Histograms of error rate distribution under different push distances

    图  16  BFSK和BPSK各通道以及合并通道误码率

    Figure  16.  Error rate of BFSK and BPSK channels and joint channels

    图  17  莱斯因子与水面波动对比

    Figure  17.  Comparison between Rice factor and water surface fluctuations

    表  1  雷达参数列表

    Table  1.   Parameters of radar system

    参数名称数值
    频率/GHz77
    带宽/GHz3.06
    脉冲采样点256
    脉冲周期/us100
    脉冲数255×256
    天线波束宽度30°, 80°
    下载: 导出CSV

    表  2  不同推程下雷达数据统计表

    Table  2.   BFSK data statistics table

    推程
    /mm
    波高
    /cm
    BFSKBPSK
    SNR
    /dB
    莱斯
    因子
    SNR
    /dB
    莱斯
    因子
    202−12.11.8−13.52.1
    304−2.36.4−5.27.2
    406−5.521.1−2.915.7
    508−5.73.2−4.910.1
    609−6.52.8−9.82.8
    7010−7.43.3−10.72.6
    下载: 导出CSV
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出版历程
  • 收稿日期:  2016-11-19
  • 修回日期:  2016-12-18
  • 录用日期:  2024-07-03
  • 网络出版日期:  2024-07-09

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